WO2002029660A1 - Systeme de services factures de medias a la demande, et procede correspondant - Google Patents

Systeme de services factures de medias a la demande, et procede correspondant Download PDF

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Publication number
WO2002029660A1
WO2002029660A1 PCT/KR2001/001392 KR0101392W WO0229660A1 WO 2002029660 A1 WO2002029660 A1 WO 2002029660A1 KR 0101392 W KR0101392 W KR 0101392W WO 0229660 A1 WO0229660 A1 WO 0229660A1
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WO
WIPO (PCT)
Prior art keywords
media
client
packet
save
server
Prior art date
Application number
PCT/KR2001/001392
Other languages
English (en)
Inventor
Ju Sun Park
Jae Hyuk Chang
Chan Woo Jeon
Seung Gwan Kim
Original Assignee
Jlandsoft Co., Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jlandsoft Co., Ltd filed Critical Jlandsoft Co., Ltd
Priority to AU2001280221A priority Critical patent/AU2001280221A1/en
Publication of WO2002029660A1 publication Critical patent/WO2002029660A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]

Definitions

  • This invention is related to the charged service system of on-demand media and the method for providing them. That is, the system distributes encoded media in advance through online/offline save media, and delivers the appropriate decipher key which is necessary to regenerates high-quality media after processing the authentication for and payment by the client who wants to see and hear the above-stated media.
  • the system distributes encoded media in advance through online/offline save media, and delivers the appropriate decipher key which is necessary to regenerates high-quality media after processing the authentication for and payment by the client who wants to see and hear the above-stated media.
  • the Internet users can use the offerings of information about news, entertainment, travel, medical treatment and media in the real life, enjoy shopping through e-business services, furthermore purchase goods easily at home with the Internet banking and e-money.
  • the modern society is, referred to as the era of multimedia, contriving to develop offline services kept pace with online ones in rapid extension.
  • the scope of multimedia application is also enlarged progressively.
  • the on-demand media service over Internet has become public knowledge currently.
  • This on-demand media service enables you to refresh and watch a certain media packet, containing something among animation, music, film, video, voice, data and so on, which is transmitted in real-time over online communication networks on their high-speed and broadband basis.
  • the traditional media service will, however, finally cause a delay of media refreshing and the deterioration of picture quality because it requires the real-time processing of media data including data compressing, sending, receiving, decompressing and refreshing, irrespective of such high-speed broadband communication networks.
  • the traditional media service is delivered over the opened online communication networks, which may be consequently accompanied with a loss of media data in the middle of delivery or in the area of client.
  • TCP transmission control protocol
  • UDP user datagram protocol
  • RTP real-time protocol
  • this invention shall attain its object of removing delays of media data transmission in distributing and refreshing media over online communication networks to subsequently elevate the reliability and quality.
  • This invention enables you to distribute encoded media online/off line in advance, decode and regenerate the received media via the process of payment by the client (or audience), which shall therefore succeed in another object of realizing the charged services and preventing any illegal use or duplication.
  • This invention shall achieve, for the other object, the availability of integrating the process of authentication and payment by online services with the distribution of media by offline save media.
  • this invention- shall suggest the charged service system of on-demand media which is composed of media data save means, data processing device - for encoding the media data with arbitrary symmetric key (s) to create a media packet, next executing its prior distribution to the remote client in the form of any archive media so that it may be transmitted over online communication networks or apportioned offline, next checking the packet-received client for charge paid, and then transmitting the corresponding decipher key to decode and regenerate the media - and media supply server comprising the cipher key database to save the symmetric key and the corresponding decipher key together.
  • the media data save means includes an encoded media packet and its list database.
  • the media supply server includes some more media player save means used to keep in custody the media player which is capable of decoding and refreshing the media packet.
  • the data processing device performs a prior distribution of media player over the online communication network. Then the media player has on board a certificate of authentication with its own product number.
  • the media supply server consists of payment gateway - for executing the payment in connection with a banking agency which the client does business with when he (she) pays a charge - and certificate database - for keeping in custody a certificate of authentication of media supply server issued by the certification agency.
  • the media middle save server consists of media packet save means where a media packet and its list database are stored, certificate database which contains specific numbers issued from the certification agency and/or information of location, and middle server data processing device for transmitting such a media packet, its list and certificate to the client computer.
  • the middle server data processing device executes a prior distribution of the media player to the client computer connected by the LAN. .
  • the media middle save server includes a certain media player save means used to keep in custody any media player transmitted together with or independently of the media packet.
  • the client computer shall download a media packet - transmitted from the media supply server - online beforehand, fulfill the payment of charge upon the client's request, receive a decipher key after the payment, and finally decode and refresh the media packet with the appropriate decipher key.
  • the client computer holds a prior-distributed media player so that it should be used to decode and regenerate the media packet.
  • the media player also includes a specific certificate of authentication.
  • the save medium should be one of CD (compact disk),
  • DVD digital video disk or digital versatile disk
  • HD hard disk
  • the media supply server in this invention comprises protocols and wireless gateways which should be used for transmitting and processing encoded/decoded data between wireless phone and data processing device when the client who has received a media packet connects with a wireless communication network to make a request for authentication, payment or decipher key.
  • the charged service system of on-demand media shall be suggested covering its sequential phases of execution as follows:
  • the client who has received that media packet should connect with a wireless network online or by a computer or mobile system and then pay the charge after going through the process of authentication. - It shall send an appropriate decipher key in custody of the media supply server to the client. It shall use that decipher key to decode and refresh the media packet on the client computer.
  • this system shall perform two more phases in addition to all the above ones particularly when you are installing a media middle save server in connection with the media supply server by an online communication network and simultaneously in connection with a large number of client computers by LANs, as follows:
  • the media middle save server shall issue and save a certificate of authentication with its own number and information of its location in the connection with the certification agency and distribute that certificate to the corresponding client computer beforehand. That client computer shall use it to go through the process of connecting with the media supply server, secure an appropriate authentication in connection with the secure session, and finally decode and regenerate the media packet kept in the media middle save server with the decipher key received after the payment of charge.
  • the further process will be added that the client computer should pass the authentication phase in the connection with the media supply server and decode and regenerate the media packet with the decipher key received after the payment of charge.
  • the client who received that medium should pass the 1 st phase - paying the charge after the process of authentication by submitting the certificate in connection with the media supply server on the online computer, otherwise over a wireless network by a mobile - and the 2 nd phase - receiving a decipher key sent from the media supply server and then decoding and refreshing the stored media packet.
  • the media supply server and client computer shall exchange the reciprocal certificate with each other in connection with the secure session by using the cipher system based on private/public key. .
  • the wireless gateway When the client who received a media packet is connecting with the media supply server over a wireless communication network, the wireless gateway will perform encoding or decoding data of decipher key transmission as well as mutual authentication and payment, and then transmit details of such management to the billing system of wireless telephone subscriber.
  • the media supply server will also carry out the payment in connection with the client's bank account through the payment gateway.
  • Fig. 1 shows you a configuration in which the first execution form of this invention (i.e., the charged service system of on-demand media);
  • Fig. 2 is a configuration of its second execution form;
  • Fig. 3 is a configuration of its third execution form
  • Fig. 4 through Fig. 6 are flowcharts to explain the method for providing the charged service of on-demand media.
  • Fig. 1 shows the charged service system of on-demand media from this invention.
  • this system consists of three parts mainly: media supply server (1), media middle save server (3) and client computer (5).
  • the media middle save server will be connected with the media supply server over an online communication network, and installed in video showing rooms, cyber first-runners, movie theaters for Internet only, PC game rooms, apartment complexes and so on.
  • the client computer will be connected with the media middle save server over a
  • the media supply server (1) includes media data save means (7) - used to save and keep in custody media data of any kind whatsoever, such as animation, music, film, video, voice, data, etc - , data processing device (9) - used to create a media packet by encoding the media data with arbitrary symmetric key and then distribute that packet to the remote media middle save server (3) and client computer (5) over the online communication network - and cipher key database (11) - used to save and keep not only the symmetric key but also the corresponding decipher key.
  • media data save means (7) used to save and keep in custody media data of any kind whatsoever, such as animation, music, film, video, voice, data, etc -
  • data processing device (9) - used to create a media packet by encoding the media data with arbitrary symmetric key and then distribute that packet to the remote media middle save server (3) and client computer (5) over the online communication network - and cipher key database (11) - used to save and keep not only the symmetric key but also the corresponding decipher key.
  • the media supply server (1) has one more inclusion of media player save means (13) used to keep in custody a media player which is capable of decoding and regenerating the media packet.
  • the media player is dedicated to that media packet and has a certificate with its own product number on board. Such a media player will be distributed in advance to the media middle save server (3) and client computer (5) by the data processing device together with or separately from the corresponding media packet.
  • the media supply server (1) adds a payment gateway (15) in. If the client pays a charge, this media supply server will implement the payment in connection with a client's bank account.
  • the media middle save server (3) will keep certificates issued by authentication facilities (19) in the certificate database (23), and these certificates will comprehend the information of location and specific product number of media middle save servers (3) circulated all over the country.
  • the media supply server (1), media middle save server (3) and client computer will establish a relationship of reciprocal authentication in connection with the secure session by using the public-key-based cipher system.
  • the media middle save server (3) includes media packet save means (25) - used to save and keep in custody a media packet received from the media supply server (1) or the media packet list database - and media player save means (27) - used to keep in custody a media player sent from the media supply server (1).
  • the media middle save server (3) comprises a middle server data processing device (29), where should be to transmit such media packets, lists, certificates and media players to the client computer (5).
  • the media middle save server (3) will be connected to a great number of client computers through the hub (31). .
  • the client computer (5) will perform the processing of a media packet chosen, as the client prefers, from among the list in connection with the media middle save server (3) and after his (her) choice, execute the processing of authentication and his (her) request for payment in connection with the media supply server (1).
  • the client computer (5) will use a decipher key received from the media supply server (1) to decode, regenerate and display the media packet in keeping of the media middle save server (3).
  • the client computer (5) can, as necessary, decode and regenerate such a media packet in prior receipt with the decipher key.
  • Fig. 2 shows another configuration of operating the charged service system of on-demand media from this invention.
  • the charged service system of on-demand media consists of media supply server (1) and client computer (5) - directly connected to it over the online communication network - largely.
  • the media supply server (1) comprises a data processing device (9), where should be to create a media packet by encoding media data with arbitrary symmetric key, next transmit it to the remote client computer (5) over the online communication network, next check the client who received it for the payment of charge, and finally transmit the appropriate decipher key to the client.
  • a data processing device (9) where should be to create a media packet by encoding media data with arbitrary symmetric key, next transmit it to the remote client computer (5) over the online communication network, next check the client who received it for the payment of charge, and finally transmit the appropriate decipher key to the client.
  • the media data save means (7) will save and keep in custody the encoded media packet and its list database and transmit and display the list upon request of the client computer (5), which will therefore allow the client to choose a media packet by his (her) preference.
  • the media supply server (1) also includes cipher key database (11) and media player save means (13).
  • the media player which is dedicated to the media packet and has certificates on board, will be distributed in advance to the client computer (5) together with or independently from the media packet.
  • the media supply server (1) has the other inclusion of payment gateway (15). When the client pays a charge, the payment gateway should fulfill the payment in connection with the client's bank account.
  • the media supply server (1) will get issued a certificate, which is required for the reciprocal authentication with the client computer (5), from the authentication facilities (19) and keep it in the certificate database (21).
  • the client computer (5) will be able to get issued its own certificate in connection with the authentication facilities.
  • the client computer will build up a relationship of reciprocal authentication with the media supply server (1) and then get connected with the secure session.
  • the client computer (5) will allow the client to choose a media packet, receive it beforehand over the online communication network, and serve the client's request for payment. It will also use the decipher key received from the media supply server (1) to decode, regenerate and display that media packet.
  • Operation 3 Fig. 3 shows the other configuration of operating the charged service system of on-demand media from this invention.
  • the charged service system of on-demand media consists of one save medium (33) - chosen from among media supply server (1), compact disk, digital video disk or hard disk - and client computer (5) - connected with the media supply server (1) over the online communication network.
  • the client may be connected with the media supply server (1) over a wireless communication network.
  • the client will use his (her) wireless telephone (35) to be connected with the media supply server (1) through the wireless gateway.
  • the wireless gateway (37) has an encoder and decoder so that it will execute the processing of authentication, payment and decipher key transmission between client and media supply server, and then send details of the process to the billing system of wireless telephone subscriber.
  • the media supply server (1) comprises media data save means (7), cipher key database (1 l)and media player save means (12).
  • the media supply server also has a data processing device, where should be to create a media packet by encoding media data with arbitrary symmetric key.
  • the decipher key will be stored in the cipher key database (11).
  • the media packet and exclusive media player will be kept in the save medium (33).
  • the media supply server will distribute the corresponding media packet over the offline distribution network, and transmit an appropriate decipher key
  • the media supply server (1) keeps certificates issued from the authentication facilities (19) in the certificate database (21). Although the client computer (5) may get issued its own certificate in connection with the authentication facilities (19), it's advisable that it will use the certificate loaded in the save medium (33) to establish a relationship of reciprocal authentication with the media supply server (1) and then make connection with the secure session. .
  • the save medium has on board a media player dedicated to media packets, as well as carrying certificates with their own product numbers. Save media (33) will be manufactured to have a store of one or more media packets. Such save media (33) will be offered with or without pay in the offline distribution through convenience stores, bookshops, shops specializing in computer and so on.
  • the client who received a save medium (33) will connect with the media supply server (1) over the online communication network by using the client computer, or alternatively over the wireless communication network by a wireless telephone (35), and then pay the charge for watching the media packet. After the payment, the client will get a decipher key from the media supply server (1) and by using it, decode, regenerate and display the media packet.
  • Fig. 4 referring to Operation 1 for this invention, shows you how to run the charged service system of on-demand media among media supply server (1), media middle save server (3) and client computer (5).
  • the media supply server (1) should get issued a certificate in connection with the authentication facilities (19) and have it in the custody of certificate database (21).
  • the system should create a media packet by encoding media data in the media save means (7) with arbitrary symmetric key, and keep or manage the appropriate decipher key in the cipher key database (11).
  • the system should distribute the media packet and its exclusive media player together or separately to the remote client in advance.
  • the system should keep and manage the encoded media packet and its list in the media save means (7).
  • Distributing the media packet and media player may be fulfilled through any online or offline save media. If you intend to distribute them through an offline save medium, you will go through Phase "A”. (See Fig. 5.)
  • the media middle save server (3) will receive a media packet and its list and media player, and then save them in their respective media packet save means (25) and media player save means (27). Because of needing a reciprocal authentication with media supply server (1) in connection with the secure session, the media middle save server (3) should get issued an appropriate certificate from the authentication facilities and keep it in the certificate database (23). Next the media middle save server (3) will distribute these stores (i.e., media packet, list and certificate in keeping) according to the request of many client computers connected by LANs (local area networks).
  • the client should choose a media packet by his (her) preference from the list in connection with the media middle save server (3) on the client computer, and next connect the process of authentication with the secure session after the connection with the media supply server (1), and execute the process of paying the appropriate charge.
  • the client In the phase of processing the mutual authentication between client computer (5) and media supply server (1) and making connection with the secure session, the client should exchange the appropriate certificate with the media supply server (1), next create an arbitrary symmetric key and encode it with the public key of media supply server (1), and then transmit it to the media supply server.
  • the media supply server (1) should decode the encoded client information with its own private key in order to confirm that symmetric key.
  • the client may apply the certificate of media middle save server (3).
  • the client computer (5) and media supply server (1) will connect with the secure session.
  • the client can transmit any data to be secured, such as media information, payment information, etc..
  • the media supply server will connect with the client's bank (17) through the payment gateway and carry out the payment under its acknowledge.
  • the media supply server (1) will encode the decipher key of the corresponding media packet so that it should be transmitted to the client computer (5).
  • the client computer (5) will use the decipher key to decode, regenerate and display in real time the media packet in safekeeping of the media middle save server (3) connected by the LAN.
  • the client computer (5) may use the decipher key to decode and refresh a media packet which was received beforehand by and kept in the media middle save server (3).
  • Fig. 5 shows the configuration of Operation 2 with this invention, presenting how the charged service system of on-demand media should distribute save media (33) offline between media supply server (1) and client..
  • the media supply server (1) will save a media packet and media player together or separately in one medium chosen from among compact disk, digital video disk or hard disk, and distribute them with or without pay through the offline distributors such as convenience stores, bookstores, special shops of computer, etc.
  • the client who received the save medium (33) will connect with the media supply server (1) online on the client computer (5), or else over the wireless network by a mobile. Particularly in the latter case, the client will connect with the media supply server (1) via the wireless gateway (37) by using a wireless telephone (35).
  • the wireless gateway (37) will perform encoding or decoding data of reciprocal authentication, payment process and decipher key transmission, and then transmit details of the performance to the billing system of wireless telephone subscriber.
  • the media supply server (1) will fulfill the payment of charge through the payment gateway, and encode the decipher key of the corresponding media packet so that it should be subsequently transmitted to the client's online computer (5) or else to the client's wireless phone over the wireless network. Therefore the client will decode, refresh and display the already received media packet by using the decipher key on the client computer (5).
  • Fig. 6 shows you the configuration of Operation 3 with this invention.
  • the client will be able to realize the charged service of on-demand media by downloading a media packet as desired in the direct connection with the media supply server (1) over the online communication network.
  • the configuration of operation should be continued from the "B" phase.
  • the client computer (5) will directly choose a media packet from the list of media supply server (1) and download and save it in advance.
  • the client computer should connect the authentication process with the secure session and pay the charge while he (she) is connecting with the media supply server (1) on his (her) computer. Then the media supply server (1) will send the decipher key to the client computer (5) just when the payment is verified.
  • the client will use the decipher key to decode, refresh and display the already received media packet on his (her) computer.
  • this invention will allow you to distribute the encoded media in advance online or offline and decode/regenerate the already received media after the payment of charge so that you can realize the charged service as well as prevent media from being used or duplicated illegally.
  • the client can regenerate a media data that was already received, which will consequently remedy a delay of data transmission and improve the reliability and quality of service.

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Abstract

La présente invention concerne un système de services facturés de médias à la demande, et un procédé correspondant, faisant intervenir l'utilisation d'un réseau de communication en ligne ou d'un support d'enregistrement autonome servant à diffuser un média dont la lecture permet la visualisation du média. Afin de résoudre le problème lié au temps de transmission et d'améliorer la fiabilité et la qualité, des données média préalablement codées sont diffusées par le réseau de communication en ligne ou le support d'enregistrmeent autonome et les données média sont reçues par un ordinateur client. Plus tard, un mot de passe est transmis après certification du serveur de diffusion du média, du client et du client à l'origine de la facturation, de sorte que le média peut être codé et lu en évitant toute utilisation ou copie illégale du média et que les services facturés de médias peuvent être mis en place.
PCT/KR2001/001392 2000-09-20 2001-08-17 Systeme de services factures de medias a la demande, et procede correspondant WO2002029660A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001280221A AU2001280221A1 (en) 2000-09-20 2001-08-17 Charged service system of demand media and method for providing the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020000055163A KR20020022388A (ko) 2000-09-20 2000-09-20 주문형 미디어 유료 서비스 시스템 및 그 방법
KR2000/55163 2000-09-20

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WO2002029660A1 true WO2002029660A1 (fr) 2002-04-11

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EP1584055A2 (fr) * 2003-01-13 2005-10-12 Sony Electronics Inc. Fourniture de licence en temps reel pour un contenu chiffre prealablement stocke
WO2008141696A1 (fr) * 2007-05-18 2008-11-27 Business Objects Software Ltd. Appareil et procédé pour la création d'un marché de données

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KR20020054117A (ko) * 2000-12-27 2002-07-06 황영헌 동영상 서비스 관리 시스템 및 방법과 그 프로그램 소스를저장한 기록매체
KR20020071268A (ko) * 2001-03-05 2002-09-12 퓨쳐베이스시스템즈 주식회사 주문형 비디오 서비스의 불법 이용 방지 장치 및 방법
KR100493284B1 (ko) * 2001-05-11 2005-06-03 엘지전자 주식회사 디지털 미디어의 복제 제어 방법 및 시스템
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